<template>
  <div>
    <div style="margin-bottom: 30px">
      <el-breadcrumb separator="/">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>订单管理</el-breadcrumb-item>
      </el-breadcrumb>
    </div>

    <div style="margin: 10px 0">
      <el-input style="width: 200px" placeholder="请输入用户id"
                v-model="uid" suffix-icon="el-icon-search"></el-input>
      <el-select v-model="gid" placeholder="请选择商品" class="mr-5 ml-5">
        <el-option
            v-for="item in goods"
            :key="item.gid"
            :label="item.gname"
            :value="item.gid">
        </el-option>
      </el-select>
      <el-input style="width: 200px" placeholder="请输入订单名"
                v-model="ordersName" suffix-icon="el-icon-s-goods" class="ml-5 mr-5"></el-input>
      <el-button class="ml-5" type="primary" @click="search">搜索</el-button>
      <el-button class="ml-5" type="warning" @click="reset">重置</el-button>
    </div>

    <div style="margin: 10px 0">
      <el-button type="primary" @click="handleAdd" class="mr-5">新增 <i class="el-icon-circle-plus-outline"></i>
      </el-button>
      <el-popconfirm
          confirm-button-text='确定'
          cancel-button-text='再想想'
          icon="el-icon-info"
          icon-color="red"
          title="确定批量删除吗？"
          @confirm="delBatch">
        <el-button type="danger" slot="reference" class="mr-5">批量删除 <i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>
      <el-button type="primary" @click="sortBySum" class="mr-5">按订单金额排序 <i class="el-icon-sort"></i></el-button>
    </div>
    <el-table :data="tableData.slice(startIndex,startIndex+pageSize)" border stripe
              @selection-change="handleSelectionChange">
      <el-table-column
          type="selection"
          width="55">
      </el-table-column>
      <el-table-column prop="oid" label="id" width="80">
      </el-table-column>
      <el-table-column prop="" label="用户id" width="120" align="center">
        <template slot-scope="scope">
          {{scope.row.uid}}<br/>
          <el-button type="info" round @click="showUserInfo(scope.row)">查看<i class="el-icon-search"></i></el-button>
        </template>
      </el-table-column>
      <el-table-column prop="goods.gname" label="商品" width="120">
      </el-table-column>
      <el-table-column prop="goodsCount" label="数量" width="80">
      </el-table-column>
      <el-table-column prop="sumPrice" label="总价" width="80">
      </el-table-column>
      <el-table-column prop="ordersName" label="订单名称" width="240">
      </el-table-column>
      <el-table-column prop="state" label="订单状态" width="120">
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间" width="120">
      </el-table-column>
      <el-table-column label="操作" width="" align="center">
        <template slot-scope="scope">
          <el-button type="success" @click="handleEdit(scope.row)" class="mr-5">
            编辑<i class="el-icon-edit"></i>
          </el-button>
          <el-popconfirm
              confirm-button-text='确定'
              cancel-button-text='再想想'
              icon="el-icon-info"
              icon-color="red"
              title="确定删除吗？"
              @confirm="del(scope.row.oid)">
            <el-button type="danger" slot="reference">删除 <i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <div style="padding: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :page-sizes="[5, 10, 15, 20]"
          :page-size=pageSize
          layout="total, sizes, prev, pager, next, jumper"
          :total=total>
      </el-pagination>
    </div>
    <!--    订单信息的弹窗    -->
    <el-dialog title="订单信息" :visible.sync="dialogFormVisible" width="30%">
      <el-form :model="orders" :rules="rules" ref="orders">
        <el-form-item label="用户id：" label-width="100px" >
          {{ orders.uid }}
        </el-form-item>
        <el-form-item label="商品名称：" label-width="100px" >
          {{ ordersGoods.gname }}
        </el-form-item>
        <el-form-item label="商品数量：" label-width="100px" >
          {{ orders.goodsCount }}
        </el-form-item>
        <el-form-item label="总价：" label-width="100px" >
          {{ orders.sumPrice }}(元)
        </el-form-item>
        <el-form-item label="订单名称：" label-width="100px" prop="ordersName">
          {{ orders.ordersName }}
        </el-form-item>
        <el-form-item label="状态：" label-width="100px" prop="state">
          <el-input v-model="orders.state" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="创建时间：" label-width="100px" >
          {{ orders.createTime }}
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible=false">取 消</el-button>
        <el-button type="primary" @click="save('orders')">{{ btnText }}</el-button>
      </div>
    </el-dialog>

    <el-drawer
        title="用户信息"
        :visible.sync="isShow"
        direction="rtl"
        size="30%" align="center">

      <el-avatar :src="user.photo" alt="" style="width: 100px;height: 100px;margin: 0 auto"></el-avatar>
      <br><br/>
      <table style="border-spacing:20px">
        <tr><td>用户id：</td><td>{{user.uid}}</td></tr>
        <tr><td>用户账号：</td><td>{{user.username}}</td></tr>
        <tr><td>用户姓名：</td><td>{{user.uname}}</td></tr>
        <tr><td>性别：</td><td>{{user.gender}}</td></tr>
        <tr><td>用户电话：</td><td>{{user.phone}}</td></tr>
      </table>
    </el-drawer>
  </div>
</template>

<script>
import request from "@/utils/request";

export default {
  name: "Orders",
  data() {
    return {
      tableData: [],
      startIndex: 0,
      ordersName:"",
      uid:"",
      gid: "",
      pageSize: 5,
      total: 0,
      dialogFormVisible: false,
      btnText: "",
      orders: {},
      multipleSelection: [],
      isShow: false,
      user:{},
      goods:{},
      ordersGoods:{},
      isAscending:false,
      rules: {
        state: [
          {required: true, message: '请输入状态信息', trigger: 'blur'},
        ],
      },
    }
  },
  created() {
    this.load()
    request.get("/goods/findall").then(res => {
          this.goods = res
    })
  },
  methods: {
    load() {
      request.get("/orders/findall").then(res => {
        this.tableData = res
        this.total = this.tableData.length
        this.startIndex=0
      })
    },
    handleSizeChange(pageSize) {
      this.pageSize = pageSize
    },
    handleCurrentChange(pageNum) {
      this.startIndex = (pageNum - 1) * this.pageSize
    },
    handleAdd() {
      this.$router.push("addorders")
    },
    handleEdit(row) {
      this.btnText = "修改"
      this.dialogFormVisible = true
      this.orders = Object.assign({}, row)
      this.ordersGoods=this.orders.goods
      console.log(this.orders)
    },
    save(orders) {
      this.$refs[orders].validate((valid) => {
        if (valid) {
          this.dialogFormVisible = false
          request.post("orders/save",this.orders).then(res=>{
            if (res){
              this.$message.success(this.btnText + "成功")
              this.load()
            }else {
              this.$message.error(this.btnText + "失败")
            }
          })
        } else {
          console.log('error submit!!');
          return false;
        }
      });
    },
    del(id) {
      request.post("orders/delete",id).then(res=>{
        if (res){
          this.$message.success( "删除成功")
          this.load()
        }else {
          this.$message.error( "删除失败")
        }
      })
      console.log(id)
    },
    handleSelectionChange(val) {
      // console.log(val)
      this.multipleSelection = val
    },
    delBatch() {
      //map函数：数组的每个元素都执行一个给定的函数，返回值仍为一个数组
      let ids = this.multipleSelection.map(v => v.oid)
      if(ids.length!==0){
        request.post("orders/deleltebatch",ids).then(res=>{
          if (res){
            this.$message.success( "批量删除成功")
            this.load()
          }else {
            this.$message.error( "批量删除失败")
          }
        })
      }else {
        this.$message.warning( "请选择要删除的数据")
      }
    },
    search(){
      if (this.gender===" "){this.gender=""}
      request.get("/orders/selectbycondition",{
        params:{
          ordersName:this.ordersName,
          uid:this.uid,
          gid:this.gid,
        }
      }).then(res => {
        this.tableData = res
        this.total = this.tableData.length
        this.startIndex=0
      })
    },
    reset(){
      this.uid=""
      this.ordersName=""
      this.gid=""
      this.load()
    },
    showUserInfo(row){
      this.isShow=true
      request.get("/user/selectbyid",{
        params:{
          id:row.uid,
        }
      }).then(res => {
        this.user = res
      })
    },
    sortBySum(){
      if(this.isAscending){
        this.tableData.sort((a,b)=>a.sumPrice-b.sumPrice)
        this.isAscending=false
      }else {
        this.tableData.sort((a,b)=>b.sumPrice-a.sumPrice)
        this.isAscending=true
      }
    }
  }

}
</script>

<style scoped>
</style>